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Friday, November 21 2014

Using a simple computer graphics program and a clean canvas, I began to rough out a design for a "small" greenhouse solution, a single pen 8 foot by 8 foot square, covered by steel livestock panels arched over to form the hoophouse roof.

The walls of the pen would be 8 foot x 2 foot corrugated steel roof panels secured to 4 inch x 4 inch posts set in concrete and rising 22 inches out of the ground, topped by 2x4x8s around the outside. As designed, it used both existing materials on hand and new materials that needed to be sourced and priced. And it proved to be relatively easy to duplicate and expand the number of pens as needed. Simply copying the single pen design image and pasting it next to the original allowed me to easily expand the design and figure the budget accordingly.

But while everything looks good on the computer, real life has a tendency to interfere. So we had to prove the design.

After a quick trip to the store for some corrugated steel panels, concrete, and importantly a gas powered auger, we set about our mission, building a permanent 3-pen herp greenhouse that could be inexpensively and readily expanded.

Placement of the greenhouse was the first decision. It needed to be on ground that was relatively flat, yet have a slight grade, on good soil, and positioned so that it was expandable to a considerable size. The perfect place turned out to be right next to my power pole, which was convenient to my house and driveway. Laying out my materials in a rough approximation of where they were to be placed, I was ready to start.